<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            font-family: "Dosis", sans-serif;
            text-align: center;
        }

        #menu {
            width: 150px;
            height: 150px;
            position: absolute;
            left: 50%;
            top: 50%;
            margin: -75px 0 0 -75px;
            list-style: none;
            font-size: 200%;
        }

        .menu-button {
            opacity: 0;
            z-index: -1;
        }

        .menu-button {
            width: 150px;
            height: 150px;
            position: absolute;
            left: 50%;
            top: 50%;
            margin: -75px 0 0 -75px;
            border-radius: 50%;
            background: #424242;
            background-size: 100%;
            overflow: hidden;
            text-decoration: none;
        }

        #menu:not(:target)>a:first-of-type,
        #menu:target>a:last-of-type {
            opacity: 1;
            z-index: 1;
        }

        #menu:not(:target)>.icon-plus:before,
        #menu:target>.icon-minus:before {
            opacity: 1;
        }

        .menu-item {
            width: 70px;
            height: 70px;
            position: absolute;
            left: 55%;
            line-height: 5px;
            top: 50%;
            margin: -50px 0 0 -50px;
            border-radius: 50%;
            background-color: #424242;
            transform: translate(0px, 0px);
            transition: transform 500ms;
            z-index: -2;
            transition: .5s;
        }

        .menu-item:hover {
            opacity: 0.5;
            box-shadow: 0 5px 10px black;
        }


        .menu-item a {
            color: #fff;
            position: relative;
            top: 30%;
            left: 0;
            text-decoration: none;
        }

        #menu:target>.menu-item:nth-child(6) {
            transform: rotate(60deg) translateY(-150px) rotate(300deg);
            transition-delay: 0s;
        }

        #menu:target>.menu-item:nth-child(5) {
            transform: rotate(20deg) translateY(-155px) rotate(-20deg);
            transition-delay: 0.1s;
        }

        #menu:target>.menu-item:nth-child(3) {
            transform: rotate(-20deg) translateY(-155px) rotate(20deg);
            transition-delay: 0.2s;
        }

        #menu:target>.menu-item:nth-child(4) {
            transform: rotate(-60deg) translateY(-150px) rotate(60deg);
            transition-delay: 0.3s;
        }

        .content {
            position: absolute;
            text-align: center;
            margin: -10px 0 0 -30px;
            top: 70%;
            left: 50%;
            font-size: 20px;
        }
    </style>
</head>

<body>
    <div class="container">
        <ul id="menu">
            <a class="menu-button icon-plus" href="#menu" title="Show navigation"></a>
            <a class="menu-button icon-minus" href="#0" title="Hide navigation"></a>
            <li class="menu-item">
                <a href="#menu">
                    <span class="fa fa-github"></span>
                </a>
            </li>
            <li class="menu-item">
                <a href="#menu">
                    <span class="fa fa-linkedin"></span>
                </a>
            </li>
            <li class="menu-item">
                <a href="#menu">
                    <span class="fa fa-instagram"></span>
                </a>
            </li>
            <li class="menu-item">
                <a href="#menu">
                    <span class="fa fa-twitter"></span>
                </a>
            </li>
        </ul>

        <div class="content">
            <div class="text">
                <h3> Click circle!</h3>
                <h6>Tada...!</h6>
            </div>
        </div>
    </div>
</body>

</html>